game_h5/Kungfu_sheep/assets/scripts/view/endlessRoundPanel.ts

import EventMgr from "../game/EventMgr";
import { GameEvent } from "../game/GameEvent";
import Main from "../game/Main";

const {ccclass, property} = cc._decorator;

@ccclass
export default class endlessRoundPanel extends cc.Component {

    @property(cc.Label)
    lbRound: cc.Label = null;

    // LIFE-CYCLE CALLBACKS:

    // onLoad () {}

    protected onLoad(): void {
        EventMgr.Instance.add_event_listenner(GameEvent.EndlessGameNewRound,this,this.OnEndlessGameNewRound);
        this.node.active = false;
    } 

    OnEndlessGameNewRound() {
        let me = this;
        this.lbRound.string = "第"+Main.Ins.Round+"波";
        this.node.active = true;
        this.node.scaleY=0;

        let tween = cc.tween(this.node);
        tween.to(0.3,{opacity:255,scaleY:1}).delay(1).to(0.3,{opacity:0,scaleY:0}).call(function(){me.node.active = false}).start();
    }

    protected onDestroy(): void {
        EventMgr.Instance.remove_event_listenner(GameEvent.EndlessGameNewRound,this,this.OnEndlessGameNewRound);
    }
    // update (dt) {}
}